FILE - This July 16, 2007, file photo, shows the headquarters of UnitedHealth Group Inc. in Minnetonka, Minn. UnitedHealth Group Inc. said Tuesday, Oct. 16, 2012, that its third-quarter earnings jumped 23 percent, thanks in part to Medicare and Medicaid business growth that helped the nation’s largest health insurer beat analyst expectations. (AP Photo/Jim Mone, File)